<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <title>引用数据类型</title>
  <script type="text/javascript">
	var obj = new Object();
	document.write("变量obj的数据类型为："+(typeof obj));
	document.write("<br/>");
	
	var arr = new Array();
	document.write("变量arr的数据类型为："+(typeof arr));
	document.write("<br/>");
	
	var arr2 = {}; //等价于 new Object();

	var t=1;

  </script>
 </head>
 <body>
  
 </body>
</html>
